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Allen-Bradley ControlNet 1747-ACN15, Installation Instructions Manual, Page: 13 / 19

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Allen-Bradley ControlNet 1747-ACN15 Installation Instructions Manual Download Page 13

13

Publication 1747-5.41

Troubleshooting With the Status Indicators and status Display

The module has indicators on the front plate, as shown below. These indicators 
consist of:

• health indicators

• status indicators

• display of status and address 

Use these indicators for troubleshooting the module. 

Figure 11 Indicators

The following tables describe problems that may occur, probable causes, and 
recommended courses of action.

Health Indicators and Display Mnemonics

OK LED

Display 

Description

Probable Cause

Recommended 

Action

Off

None

Module is not 
communicating.

Power supply 
fault.

Check power supply, 
and seat adapter 
firmly in chassis.

Off

None

Module is not 
communicating.

Defective adapter.

Contact Allen-
Bradley service.

Off

POST

Adapter is 
running Power 
On Self Test.

None

None

ADDRESS/STATUS

ADDRESS/STATUS

B

A

A

A

A

B

OK

OK

Status Display and 

Net Address

Health Indicators ControlNet 

Status Indicators

1747-ACN15

1747-ACNR15

AB Spares

Summary of Contents for ControlNet 1747-ACN15

Page 1: ...and Features 4 Hardware Components 4 Determining Power Requirements 6 Determining Power Requirements 6 Installing the Adapter Module in the Chassis 7 Connecting Programming Terminals to the Network via the NAP 11 Powerup Sequence 12 Troubleshooting With the Status Indicators and status Display 13 ControlNet Status Indicators 17 Specifications 18 ...

Page 2: ...visiting www theautomationbookstore com and placing your order calling 1 800 9NEWLIT 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada Publication Publication Number ControlNet Cable System Component List AG 2 2 ControlNet Cable System Planning and Installation Manual 1786 6 2 1 ControlNet Coax Tap Installation Instructions 1786 2 3 ControlNet Network Access Cable Installation Instruc...

Page 3: ... Standard Part 2 Industrial Environment EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For specific inform...

Page 4: ...ported per connection Multiple connections per module are allowed for modules with large M0 and M1 files An adapter can control up to 30 slots of 1746 I O 3 chassis max The 1747 ACN15 and ACNR15 adapters features include high speed data transfer diagnostic messages local communication network access through the network access port NAP redundant media 1747 ACNR15 only Hardware Components The adapte...

Page 5: ...them for troubleshooting is explained on page 13 Network Access Port NAP The network access port Figure 1 provides a bidirectional electrical interface for programming maintenance and I O monitoring devices in both redundant and non redundant connections Connecting programming terminals to the network using the NAP is described on page 11 ADDRESS STATUS ADDRESS STATUS B A A A A B OK OK Module Netw...

Page 6: ...mblies to configure your adapter module with its unique network address You access these switches through the top of the module Figure 3 shows the location of the switches These switches are read on power up to establish the network address of the module Network address switch settings are described on page 7 Determining Power Requirements The ControlNet adapter module requires a maximum backplane...

Page 7: ...the Adapter Module in the Chassis Once you ve set the appropriate switch assemblies for your adapter module follow these procedures for installation Refer to the Industrial Controller Wiring and Grounding Guidelines publication 1770 4 1 for proper grounding and wiring methods to use when installing your module Note 00 is an invalid number ATTENTION Remove system power before removing or installing...

Page 8: ...es at the top and bottom of the module and slide it out 4 Press firmly and evenly to seat the module in its backplane connectors Connecting Your Adapter to the ControlNet Network You connect your 1747 ACN15 or ACNR15 adapter module to a ControlNet network via taps These taps are available ATTENTION Do not force the module into the backplane connector If you cannot seat the module with firm pressur...

Page 9: ...he 1747 ACNR15 is not used 1 1 While both channels are active Allen Bradley recommends using channel A for non redundant media Redundant media from trunkline A to channel A on the 1747 ACNR15 from trunkline B to channel B on the 1747 ACNR15 ATTENTION Do not allow any metal portions of the tap to contact any conductive material If you disconnect the tap from the adapter place the dust cap back on t...

Page 10: ...d on the straight or right angle connector of the designated tap on the second segment segment 2 Figure 8 Connecting a Redundant Adapter 5 Connect this tap s straight or right angle connector to the BNC connector on the adapter segment 1 tap Important To prevent inadvertent reversal of the top connections resulting in incorrect LED displays and troubleshooting check the tap drop cable for a label ...

Page 11: ...through NAPs Using a commercially available RJ style cable could result in possible network failures segment 1 tap segment 2 tap Using 1784 KTC or KTCx communication card and NAP Programming Terminal 1784 KTC or KTCx 1786 CP1 ControlNet product ControlNet network Using 1770 KFC communication interface and NAP Programming Terminal Serial or Parallel Connection ControlNet Network 1 The 1786 CP cable...

Page 12: ...this time the A and B LEDs are off and the OK LED appears amber 3 The series and revision levels are then displayed in the status window A series A revision level B module would display A B During this time the A and B LEDs are off and the OK LED appears amber 4 The status window then displays INIT indicating that the operating system is being loaded and initialized During this time the A and B LE...

Page 13: ...ay occur probable causes and recommended courses of action Health Indicators and Display Mnemonics OK LED Display Description Probable Cause Recommended Action Off None Module is not communicating Power supply fault Check power supply and seat adapter firmly in chassis Off None Module is not communicating Defective adapter Contact Allen Bradley service Off POST Adapter is running Power On Self Tes...

Page 14: ...he two numbers Power cycle the adapter Contact Allen Bradley service Flashing Green PWR UP Module is not communicating The application program in the adapter has just started None Flashing Red A 00 ERR Module is not communicating The node address switches are setto 00 which is not valid Power the adapter off remove the adapter from the chassis change the node address switch to something other than...

Page 15: ...ing Red DUP NODE Module is not communicating The adapter has detected a duplicated node address on the network Correct the duplicate node address problem Flashing Green CHEK MOD Module is not communicating The adapter has detected a cable fault and is attempting to recover The adapter has detected the moderator froman active ControlNet network None check cable if problem persists Flashing Green I ...

Page 16: ...e main code in the module has failed or the main code is being updated Update the main code with the latest Series and Revision code Solid Green CODE UPDT Firmware update mode Adapter firmware is being updated via ControlFlash update utility None OK LED Display Description Probable Cause Recommended Action ...

Page 17: ...ed unit Cycle power If fault persists contact A B representative or distributor Alternating red green Self test None Alternating red off Incorrect node configuration Check network address and other ControlNet configuration parameters Cause Action Off Channel disabled Program network for redundant media if required Steady green Normal operation None Flashing green off Temporary errors None unit wil...

Page 18: ...on Power Dissipation 5 Watts Thermal Dissipation 17 06 BTU hr Backplane Current 900 mA 5V Environmental Conditions Operational Temperature Storage Temperature Relative Humidity 0 to 60 C 32 to 140 F 40 o to 85 C 40 to 185 F 5 to 95 without condensation Agency Certification when product or packaging is marked UL listed C UL listed Class I Division 2 Groups A B C and D CE marked for all applicable d...

Page 19: ...Publication 1747 5 41 March 1999 955138 74 1999 Rockwell International All Rights Reserved Printed in USA ...

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